Search results
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Title
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A NUMERICAL STUDY OF INTERFACIAL INSTABILITIES IN SHOCKED MATERIALS WITH SURFACE TENSION
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Author
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Bigdelou, Pedram
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Date Created
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2020
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Subjects--Topical
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Fluid mechanics, Physics
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Description
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Shock-driven multi-material flows occur in several applications including shock wave lithotripsy, underwater explosions, droplet combustion, propeller cavitation and ejection of material from surfaces subject to blast loading. Such flows are highl...
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Title
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Discrete Element Simulations of Powder Spreading in Additive Manufacturing
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Author
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Amrapurkar, Parth
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Date Created
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2020
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Subjects--Topical
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Mechanical engineering, Engineering, Physics
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Description
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Powder spreading plays a critical role in the quality of parts produced with selective laser sintering (SLS). Some of the important parameters that influence the quality of the powder bed are the powder particle size and distribution, blade speed,...
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Title
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Evaluation of curved surfaces with x-ray reflectometry
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Author
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Cole, Jacob
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Date Created
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2022
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Subjects--Topical
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Mechanical engineering, Physics
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Description
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This dissertation presents a body of work developing novel models and methods for surface evaluation with X-ray reflectometry (XRR). At the time of this work, XRR is a highly used tool for the measurement of flat wafers and laminated semiconductor...
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Title
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Freeform Optical Surface Form Metrology with Serial Data Acquisition
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Author
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Noste, Todd
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Date Created
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2021
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Subjects--Topical
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Mechanical engineering, Optics, Physics
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Description
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Freeform optics, or optics with no axis of rotational invariance, provide optical designers more degrees of freedom, flexibility, and opportunity for innovation increasing optical performance and system integration while decreasing the form factor...
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Title
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Instrumentation, techniques, and evaluation of ePTV for particle manipulation studies using micro-scale oscillators
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Author
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Kafashi, Sajad
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Date Created
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2017
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Subjects--Topical
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Mechanical engineering, Electrical engineering, Physics
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Description
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A need for dynamic micro-particle manipulation is the ability to position fragile particles without damaging them, for instance biological particles like blood cells, stem cells, neurons, pancreatic β cells, DNA, chromosomes, for repeated measurem...